Pentair Sta-Rite Valve Flange O-Ring for Cristal-Flo & Waterford Sand Filters | U9-369Z

Pentair Sta-Rite Valve Flange O-Ring for Cristal-Flo & Waterford Sand Filters | U9-369Z

OEM Pentair Sta-Rite valve flange O-ring for Cristal-Flo T-BP and Waterford sand filters with 1.5" or 2" multiport valves.

Features

• Genuine Pentair Sta-Rite replacement valve flange O-ring.
• Fits select Waterford and Cristal-Flo sand filter systems.
• Used with Sta-Rite 1.5" and 2" multiport valve applications.
• #2-442 N674 70 duro specification for correct replacement matching.
• Direct OEM replacement for leaking, worn, or flattened flange seals.

Description

The Pentair Sta-Rite U9-369Z valve flange O-ring is a model-specific replacement seal for select sand filter valve assemblies. It is most clearly tied to Waterford sand filters, Cristal-Flo T-BP Series high-rate sand filters, and Sta-Rite 1.5" and 2" multiport valve applications. This is not a universal O-ring. When the original flange seal is worn out or no longer sealing correctly, replacing it with the proper Pentair Sta-Rite part is the right fix.

Pro Tip

Clean the flange surfaces before installation and inspect the clamp assembly at the same time. A new O-ring will not solve sealing problems caused by a distorted clamp or dirty valve flange.

Installation Tips

Shut the system down fully and relieve all pressure before opening the filter. Confirm the exact valve and filter application before ordering, seat the O-ring evenly in the flange area, and tighten the clamp assembly evenly during reassembly.

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